Increasing incidence of ophthalmic lymphoma in Denmark from 1980 to 2005

TY - JOUR

T1 - Increasing incidence of ophthalmic lymphoma in Denmark from 1980 to 2005

AU - Sjö, Lene D

AU - Ralfkiær, Elisabeth Methner

AU - Prause, Jan U

AU - Madsen, Jakob

AU - Pedersen, Niels T

AU - Heegaard, Steffen

AU - Petersen, Jørgen Holm

N1 - Keywords: Adolescent; Adult; Age Distribution; Aged; Aged, 80 and over; Child; Child, Preschool; Denmark; Eye Neoplasms; Female; Humans; Immunophenotyping; Incidence; Lymphoma; Male; Middle Aged; Neoplasm Proteins; Sex Distribution; Tumor Markers, Biological

PY - 2008

Y1 - 2008

N2 - PURPOSE: To evaluate patient characteristics and incidence of ophthalmic lymphoma in Denmark during the period 1980 to 2005. METHODS: All patients in Denmark with a diagnosis of ophthalmic lymphoma during the period 1980 to 2005 were retrieved from three different population-based registries. Specimens from all patients were collected and reclassified according to the World Health Organization (WHO) classification system. Incidence rates were calculated by using Poisson regression models. RESULTS: A total of 228 patients with a histologically verified diagnosis of ophthalmic lymphoma were included. There was an equal distribution of males and females. The most frequent lymphoma subtype was extranodal marginal zone B-cell lymphoma (MALT [mucosa-associated lymphoid tissue] lymphoma, 55.5%) and most cases were located in the orbit (56.8%). High-grade lymphoma subtypes were found more frequently in males than in females. Incidence rates were highly dependent on the patient's age. For all ages, a statistically significant annual average increase of 3.4% during the 26-year period was found. This increase was primarily due to a rise in the incidence of MALT lymphoma. CONCLUSIONS: In the Danish population ophthalmic lymphoma consists primarily of orbital MALT lymphoma. Although it is a rare disease in mostly elderly patients, the incidence of ophthalmic lymphoma is increasing at a rapid pace.

AB - PURPOSE: To evaluate patient characteristics and incidence of ophthalmic lymphoma in Denmark during the period 1980 to 2005. METHODS: All patients in Denmark with a diagnosis of ophthalmic lymphoma during the period 1980 to 2005 were retrieved from three different population-based registries. Specimens from all patients were collected and reclassified according to the World Health Organization (WHO) classification system. Incidence rates were calculated by using Poisson regression models. RESULTS: A total of 228 patients with a histologically verified diagnosis of ophthalmic lymphoma were included. There was an equal distribution of males and females. The most frequent lymphoma subtype was extranodal marginal zone B-cell lymphoma (MALT [mucosa-associated lymphoid tissue] lymphoma, 55.5%) and most cases were located in the orbit (56.8%). High-grade lymphoma subtypes were found more frequently in males than in females. Incidence rates were highly dependent on the patient's age. For all ages, a statistically significant annual average increase of 3.4% during the 26-year period was found. This increase was primarily due to a rise in the incidence of MALT lymphoma. CONCLUSIONS: In the Danish population ophthalmic lymphoma consists primarily of orbital MALT lymphoma. Although it is a rare disease in mostly elderly patients, the incidence of ophthalmic lymphoma is increasing at a rapid pace.

U2 - 10.1167/iovs.08-1768

DO - 10.1167/iovs.08-1768

M3 - Journal article

C2 - 18390644

SN - 0146-0404

VL - 49

SP - 3283

EP - 3288

JO - Investigative Ophthalmology & Visual Science

JF - Investigative Ophthalmology & Visual Science

IS - 8

ER -